Finding the Fourth Proportional to 439,373.70, 606,226.95 and 248,382.99
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Solution
The fourth proportional to 439,373.70, 606,226.95 and 248,382.99 is: 342,707.05
Step by Step Solution
- Step 1: Write the proportion equation
439,373.70 : 606,226.95 = 248,382.99 : x - Step 2: Convert to fraction form
439,373.70/606,226.95 = 248,382.99/x - Step 3: Cross multiply
439,373.70x = 606,226.95 × 248,382.99 - Step 4: Simplify right side
439,373.70x = 150,576,462,459.58 - Step 5: Solve for x
x = 150,576,462,459.58/439,373.70 - Step 6: Final answer
x = 342,707.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.